40312321100 has 36 divisors (see below), whose sum is σ = 87487098384. Its totient is φ = 16123202880.

The previous prime is 40312321087. The next prime is 40312321111. The reversal of 40312321100 is 112321304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353974 + ... + 1383426.

Almost surely, 2^40312321100 is an apocalyptic number.

It is an amenable number.

40312321100 is an abundant number, since it is smaller than the sum of its proper divisors (47174777284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40312321100 is a wasteful number, since it uses less digits than its factorization.

40312321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43154 (or 43147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 40312321100 its reverse (112321304), we get a palindrome (40424642404).

The spelling of 40312321100 in words is "forty billion, three hundred twelve million, three hundred twenty-one thousand, one hundred".